Home / 9,179.55-13,765.82-2,938.23

Finding the Fourth Proportional to 9,179.55, 13,765.82 and 2,938.23

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Solution

The fourth proportional to 9,179.55, 13,765.82 and 2,938.23 is: 4,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.55 : 13,765.82 = 2,938.23 : x
  2. Step 2: Convert to fraction form
    9,179.55/13,765.82 = 2,938.23/x
  3. Step 3: Cross multiply
    9,179.55x = 13,765.82 × 2,938.23
  4. Step 4: Simplify right side
    9,179.55x = 40,447,130.61
  5. Step 5: Solve for x
    x = 40,447,130.61/9,179.55
  6. Step 6: Final answer
    x = 4,406.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.